Classifications

• • A—HUMAN NECESSITIES
  • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
  • A22B—SLAUGHTERING
  • A22B5/00—Accessories for use during or after slaughtering
  • A22B5/0094—Cutting or blocking the rectum of a carcass, e.g. for avoiding fecal contamination

Definitions

• This invention relates to sealing the anus of carcasses of slaughtered animals, e.g.
• slaughtered animal For smaller animals such as sheep and calves, it is known to provide one
• this system is the unwanted introduction of polyethylene in the rendered tallow. It is an object of the present invention to provide a process for effectively sealing the anus of the carcass of a slaughtered animal prior to subsequent processing
• the carcass of a slaughtered animal the process including the steps of clearing the hide, skin
• the plug is provided with a stem extending out from the back end of the plug, and the clamp includes a clamping member which is slidably movable
• the stem may be pulled in the
• Cutting around the rectum may be carried out by a cylindrical cutting device having
• an anal seal for sealing the
• anal seal including a plug for insertion
• Fig 1 is a side view of an anal seal according to an embodiment of the present invention and showing the clamp retracted from the plug,
• Fig 2 is a side view of the anal seal of Fig 1 showing the clamp in its operative clamping position
• Fig 3 is a view of an alternative embodiment of an anal seal also embodying the
• Fig 4 is a view of the anal seal of Figs 1 and 2 applied to a carcass with slight tension
• Fig 5 is a perspective view of an applicator tool usable in the present invention.
• Fig 6 is a side sectional view of the applicator tool
• the anal seal in the drawings is for sealing the anus of the carcass 10 of a slaughtered
• the seal includes a plug 15 for insertion through the anus and into the rectum of the
• Retaining means 40 holds the clamp 20 in its clamping position so that the anus is sealed
• the plug 15 may be of any suitable shape, but in the illustrated embodiments the plug
• a particularly suitable shape " of the plug 15 is a generally conical shape, preferably
• the conical plug 15 also has a back end 17
• the back end 17 is concave and has an annular peripheral area 18 which faces rearwardly and which forms a main sealing region as further described below.
• the plug 15 illustrated is a frustconical plastics moulding.
• the clamp 20 which engages with the tissues 1 1 around the anus to clamp the tissues
• clamping member 21 which in use is located in its clamping position behind the plug 15 after the plug has been inserted into the rectum.
• the clamping member 21 is operable to clamp around the entire circumference of the back
• the clamping member 21 is in the shape of a clamping disc 22 having a
• the clamping disc 22 effectively clamps the tissues 11
• the clamping disc 22 can be slightly larger in diameter than the peripheral area 18 and can have a
• the plug 15 and clamp 20 are provided with
• the plug 15 is provided with a projection such as a stem
• the clamp 20 is in the form of a spool 35 with the clamping disc 22 at the front end, a sleeve 36 through which the hole 33 passes " and a rear disc 37 discussed later.
• a spool 35 with the clamping disc 22 at the front end, a sleeve 36 through which the hole 33 passes " and a rear disc 37 discussed later.
• this stem 32 provides a means for mounting or holding the plug 15 while it is being inserted through the anus into the rectum, for holding the plug at its desired depth of insertion to ensure effective clamping of tissues 11 which have contracted behind the plug 15, and for subsequent manipulation during cutting of the rectum free of the carcass 10 as will be described later
• the clamp 20 can be deliberately disengaged by
• disengagement can be desirable to enable for example the anal seal to be retrieved from the viscera prior to the viscera being further processed in a rendering operation
• the stem 32 is provided with a helical guide 44 which cooperates
• Figs 2 and 4 show an embodiment in which there are two lines of teeth 42 on opposite sides of the
• the retaining means 40 of the anal seal which holds the clamp 20 in its clamping position in Fig 3 comprises biasing means 48
• the biasing means 48 comprises a
• the clamping disc 22 may be held retracted against the
• the anal seal of Figs 1 and 2 is designed for installation using an applicator tool 60
• the clamp 20 is initially located in the retracted inoperative position
• the clamp 20 can then be advanced into its operative clamping position
• tool 60 includes an operating mechanism 62 which in use is operative to cause or enable the
• the operating mechanism 62 includes drive means 63 shown as an air ram for
• the operating mechanism 62 includes a trigger arrangement 65 which an operator uses to
• the applicator tool 60 also includes a release means 67 operative when the clamp
• the release means 67 includes a projection 75 which projects inwardly to
• the projection 75 is provided by a lever 76 pivoted at point 77' and
• the operator can then release the trigger arrangement 65 to release the air pressure behind the piston of the air ram 63 allowing the air ram to return the shuttle
• tension by pulling the anal seal also tends to straighten the rectum thereby helping the operator to cut around the rectum without piercing the rectum and contaminating the
• a mechanical cutting device 70 may be provided in association with the applicator tool 60 which holds the projecting stem
• the mechanical cutting device 70 comprises a
• cylindrical cutting member 71 surrounding and concentric with the axis of the stem 32, the
• the cutting member 71 can be relatively advanced to cut around the rectum as the rectum is
• the processing of the carcass can be continued with, for example, further steps comprising:
• the seal effectively seals the anus and can be used to facilitate cutting of the

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Infusion, Injection, And Reservoir Apparatuses (AREA)
• Orthopedics, Nursing, And Contraception (AREA)
• Processing Of Meat And Fish (AREA)

Applications Claiming Priority (3)

Publications (3)

Family

ID=3803721

Family Applications (1)

Country Status (14)

Families Citing this family (5)

Family Cites Families (6)

• 1997
  • 1997-09-26 AU AUPO9439A patent/AUPO943997A0/en not_active Abandoned
• 1998
  • 1998-09-23 ZA ZA988708A patent/ZA988708B/xx unknown
  • 1998-09-25 UY UY25195A patent/UY25195A1/es not_active IP Right Cessation
  • 1998-09-25 AR ARP980104809A patent/AR017155A1/es active IP Right Grant
  • 1998-09-28 JP JP2000513472A patent/JP2001517462A/ja not_active Abandoned
  • 1998-09-28 NZ NZ504206A patent/NZ504206A/en unknown
  • 1998-09-28 EP EP98946154A patent/EP1024705B1/de not_active Expired - Lifetime
  • 1998-09-28 US US09/509,572 patent/US6338674B1/en not_active Expired - Fee Related
  • 1998-09-28 DE DE69823378T patent/DE69823378T2/de not_active Expired - Fee Related
  • 1998-09-28 BR BR9815374-9A patent/BR9815374A/pt not_active IP Right Cessation
  • 1998-09-28 CA CA002304754A patent/CA2304754A1/en not_active Abandoned
  • 1998-09-28 ES ES98946154T patent/ES2221200T3/es not_active Expired - Lifetime
  • 1998-09-28 DK DK98946154T patent/DK1024705T3/da active
  • 1998-09-28 WO PCT/AU1998/000818 patent/WO1999016320A1/en not_active Ceased

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